Malware Analysis Report

2025-08-10 18:19

Sample ID 220207-xczdhsffa3
Target ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0
SHA256 ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0
Tags
upx gozi_ifsb
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0

Threat Level: Known bad

The file ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0 was found to be: Known bad.

Malicious Activity Summary

upx gozi_ifsb

Gozi_ifsb family

UPX packed file

Executes dropped EXE

Checks computer location settings

Drops file in Windows directory

Enumerates physical storage devices

Suspicious behavior: CmdExeWriteProcessMemorySpam

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-07 18:43

Signatures

Gozi_ifsb family

gozi_ifsb

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-07 18:43

Reported

2022-02-07 19:28

Platform

win7-en-20211208

Max time kernel

137s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\114E.tmp\2.exe N/A

Enumerates physical storage devices

Suspicious behavior: CmdExeWriteProcessMemorySpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\114E.tmp\2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe

"C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\114E.tmp\11FB.bat C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe"

C:\Users\Admin\AppData\Local\Temp\114E.tmp\2.exe

2.exe

Network

N/A

Files

memory/2008-54-0x00000000751B1000-0x00000000751B3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\114E.tmp\11FB.bat

MD5 a4d54825c48a32efc53e34ea0f588d1c
SHA1 cd5815db470cf3af4d6ce658151eb24fef1c664f
SHA256 a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39
SHA512 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b

C:\Users\Admin\AppData\Local\Temp\114E.tmp\2.exe

MD5 e05a56a2338be5e71fbdaca8115d76df
SHA1 d5b24d5ea2cf8d9249fbb2902af7cbac003bd0c3
SHA256 0d33036c9c34dc32339d9deecca700873959bed8bb0fded4ed978c90441e7714
SHA512 a68706f9700d2c10c5ffaf1d5a50945341a00e58c851b96cacdfe606b15acb04dfd7c1175ad3d10a502556bca1beadc15c7980652db45237cace179eb2fdf2c4

C:\Users\Admin\AppData\Local\Temp\114E.tmp\2.exe

MD5 e05a56a2338be5e71fbdaca8115d76df
SHA1 d5b24d5ea2cf8d9249fbb2902af7cbac003bd0c3
SHA256 0d33036c9c34dc32339d9deecca700873959bed8bb0fded4ed978c90441e7714
SHA512 a68706f9700d2c10c5ffaf1d5a50945341a00e58c851b96cacdfe606b15acb04dfd7c1175ad3d10a502556bca1beadc15c7980652db45237cace179eb2fdf2c4

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-07 18:43

Reported

2022-02-07 19:29

Platform

win10v2004-en-20220113

Max time kernel

200s

Max time network

212s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6087.tmp\2.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\WinSxS\pending.xml C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
File opened for modification C:\Windows\WindowsUpdate.log C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\Logs\CBS\CBS.log C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe

"C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\6087.tmp\6098.bat C:\Users\Admin\AppData\Local\Temp\ab6a5fcf478d31181ea0e96f42ad1c2cb2f7dc056cdb7dbc06cb007f75902bf0.exe"

C:\Users\Admin\AppData\Local\Temp\6087.tmp\2.exe

2.exe

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding

Network

Country Destination Domain Proto
NL 104.80.228.57:443 tcp
NL 104.80.228.57:443 tcp
NL 20.190.160.129:443 tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 8.8.8.8:53 crl3.digicert.com udp
US 93.184.220.29:80 crl3.digicert.com tcp
US 93.184.220.29:80 crl3.digicert.com tcp
US 93.184.220.29:80 crl3.digicert.com tcp
US 93.184.220.29:80 crl3.digicert.com tcp
US 93.184.220.29:80 crl3.digicert.com tcp
US 8.8.8.8:53 crl4.digicert.com udp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
NL 20.73.194.208:443 settings-win.data.microsoft.com tcp

Files

C:\Users\Admin\AppData\Local\Temp\6087.tmp\6098.bat

MD5 a4d54825c48a32efc53e34ea0f588d1c
SHA1 cd5815db470cf3af4d6ce658151eb24fef1c664f
SHA256 a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39
SHA512 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b

C:\Users\Admin\AppData\Local\Temp\6087.tmp\2.exe

MD5 e05a56a2338be5e71fbdaca8115d76df
SHA1 d5b24d5ea2cf8d9249fbb2902af7cbac003bd0c3
SHA256 0d33036c9c34dc32339d9deecca700873959bed8bb0fded4ed978c90441e7714
SHA512 a68706f9700d2c10c5ffaf1d5a50945341a00e58c851b96cacdfe606b15acb04dfd7c1175ad3d10a502556bca1beadc15c7980652db45237cace179eb2fdf2c4

C:\Users\Admin\AppData\Local\Temp\6087.tmp\2.exe

MD5 e05a56a2338be5e71fbdaca8115d76df
SHA1 d5b24d5ea2cf8d9249fbb2902af7cbac003bd0c3
SHA256 0d33036c9c34dc32339d9deecca700873959bed8bb0fded4ed978c90441e7714
SHA512 a68706f9700d2c10c5ffaf1d5a50945341a00e58c851b96cacdfe606b15acb04dfd7c1175ad3d10a502556bca1beadc15c7980652db45237cace179eb2fdf2c4

memory/2324-145-0x0000023CAB3E0000-0x0000023CAB3E4000-memory.dmp